來(lái)源:網(wǎng)絡(luò)資源 2023-02-18 19:31:05
過(guò)去完成時(shí)的概念與結(jié)構(gòu)
概念:
表示在過(guò)去某一時(shí)間或動(dòng)作之前已經(jīng)發(fā)生或完成了的動(dòng)作,即“過(guò)去的過(guò)去(past-in-the-past )”。
構(gòu)成:
“助動(dòng)詞had + 過(guò)去分詞”,其中had 通用于各種人稱。
They had already had breakfast before they arrived at the hotel.在到達(dá)旅館之前,他們已經(jīng)吃過(guò)了早飯。
She had finished writing the composition by 10:00 this morning.今天早晨10點(diǎn)之前,她已經(jīng)寫(xiě)完了作文。
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